Home / 91,434.09-137,157.29-35,274.66

Finding the Fourth Proportional to 91,434.09, 137,157.29 and 35,274.66

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Solution

The fourth proportional to 91,434.09, 137,157.29 and 35,274.66 is: 52,914.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,434.09 : 137,157.29 = 35,274.66 : x
  2. Step 2: Convert to fraction form
    91,434.09/137,157.29 = 35,274.66/x
  3. Step 3: Cross multiply
    91,434.09x = 137,157.29 × 35,274.66
  4. Step 4: Simplify right side
    91,434.09x = 4,838,176,594.90
  5. Step 5: Solve for x
    x = 4,838,176,594.90/91,434.09
  6. Step 6: Final answer
    x = 52,914.36

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.